diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/reachable/expr_assign.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/reachable/expr_assign.rs')
-rw-r--r-- | tests/ui/reachable/expr_assign.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/reachable/expr_assign.rs b/tests/ui/reachable/expr_assign.rs new file mode 100644 index 000000000..e547f75e2 --- /dev/null +++ b/tests/ui/reachable/expr_assign.rs @@ -0,0 +1,29 @@ +#![feature(never_type)] +#![allow(unused_variables)] +#![allow(unused_assignments)] +#![allow(dead_code)] +#![deny(unreachable_code)] + +fn foo() { + // No error here. + let x; + x = return; //~ ERROR unreachable +} + +fn bar() { + use std::ptr; + let p: *mut ! = ptr::null_mut::<!>(); + unsafe { + // Here we consider the `return` unreachable because + // "evaluating" the `*p` has type `!`. This is somewhat + // dubious, I suppose. + *p = return; //~ ERROR unreachable + } +} + +fn baz() { + let mut i = 0; + *{return; &mut i} = 22; //~ ERROR unreachable +} + +fn main() { } |